#04232C#04232C

#04232C is a very dark, muted cyan. Relative luminance 0.014; OKLCH L 23.9% C 0.039 H 221.0°. Best body text is #FFFFFF at 16.38:1 contrast (WCAG AA passes).

Color values

HEX	#04232C
RGB	rgb(4, 35, 44)
HSL	hsl(194, 83%, 9%)
HSV	hsv(194, 91%, 17%)
CMYK	cmyk(90.9%, 20.5%, 0%, 82.7%)
CIE-LAB	lab(12.02, -7.50, -9.25)
CIE-LCH	lch(12.02, 11.91, 230.99°)
OKLab	oklab(23.85% -0.0298 -0.0259)
OKLCH	oklch(23.85% 0.039 221)
XYZ	xyz(1.1055, 1.4096, 2.5962)
Luminance	0.0141 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04232C #2C0D04

analogous

#042C21 #04232C #040F2C

triadic

#04232C #2C0423 #232C04

tetradic

#04232C #21042C #2C0D04 #0F2C04

square

#04232C #21042C #2C0D04 #0F2C04

split-complementary

#04232C #2C040F #2C2104

monochromatic

#03161C #03161C #04232C #095064 #0E7C9C

Accessibility & contrast

On white

16.38

#04232C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#04232C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04232C

16.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04232C	#FFFFFF	#000000	##FFFFFF
##04232C	1.00	16.38	1.28	16.38
#FFFFFF	16.38	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E222C

Deuteranopia (green-blind)

#181E2C

Tritanopia (blue-blind)

#002626

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #04232c;
/* rgb */ color: rgb(4, 35, 44);
/* oklch */ color: oklch(23.9% 0.039 221.0);

Tailwind

colors: {
  custom: {
    50: '#4b5d65',
    500: '#04232c',
    950: '#000000',
  },
}

SCSS

$custom: #04232c;
$custom-light: #4b5d65;
$custom-dark: #000000;

JSON

{
  "hex": "#04232c",
  "rgb": {
    "r": 4,
    "g": 35,
    "b": 44
  },
  "hsl": {
    "h": 193.5,
    "s": 83.333,
    "l": 9.412
  },
  "oklch": {
    "l": 0.23851,
    "c": 0.03947,
    "h": 221
  },
  "luminance": 0.0141
}

Semantic roles & 50–950 ramp

primary

#04232C

secondary

#6F2F1D

accent

#5C2EFA

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#010405

muted

#77797A

Preview Lab

Preview with #04232C

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →